Agency Name: Alfred Wegener Institute for Polar and Marine Research Agency Acronym: AWIPMR (We have now to live with that acronym here :))) Contact Name Dr. Peter von der Gathen E-Mail Address: gathen@awi-potsdam.de Mailing Address: Alfred Wegener Institute for Polar and Marine Research Research Department Potsdam Telegrafenberg A43 D-14473 Potsdam Germany Phone Number: +49-331-288-2128 Fax Number: +49-331-288-2178 We used 5A sondes until 7. December 1996 and 6A sondes afterwards with few exceptions in the months around that date. Currently, I will be able to submit data starting from 16. October 1991. Some more data starting from 27. August 1988 need a different conversion program and will be submitted later.